Photo-Sharing Sites & Twitter [CHART]

One area that has seen major growth over the past year has been social photo-sharing, especially with the rise in popularity of mobile photo application Instagram. Diffbot found that 15% of photos shared worldwide on Twitter came from Instagram, second only to direct Twitter image-sharing, at 40%. YouTube was the most popular video-sharing site, with 60% of all video links on Twitter going to YouTube. Read the rest at eMarketer.